Home / 44,757.43-67,136.15-21,312.79

Finding the Fourth Proportional to 44,757.43, 67,136.15 and 21,312.79

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Solution

The fourth proportional to 44,757.43, 67,136.15 and 21,312.79 is: 31,969.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,757.43 : 67,136.15 = 21,312.79 : x
  2. Step 2: Convert to fraction form
    44,757.43/67,136.15 = 21,312.79/x
  3. Step 3: Cross multiply
    44,757.43x = 67,136.15 × 21,312.79
  4. Step 4: Simplify right side
    44,757.43x = 1,430,858,666.36
  5. Step 5: Solve for x
    x = 1,430,858,666.36/44,757.43
  6. Step 6: Final answer
    x = 31,969.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.